Measurement and estimation of pi

http://dmentrard.free.fr/GEOGEBRA/Maths/MeasurepiMD.html
[url=http://dmentrard.free.fr/GEOGEBRA/Maths/MeasurepiMD.html]http://dmentrard.free.fr/GEOGEBRA/Maths/MeasurepiMD.html[/url]
– Daniel Mentrard

Information: Measurement and estimation of pi